Home / 1,910.26-2,866.23-814.90

Finding the Fourth Proportional to 1,910.26, 2,866.23 and 814.90

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Solution

The fourth proportional to 1,910.26, 2,866.23 and 814.90 is: 1,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.26 : 2,866.23 = 814.90 : x
  2. Step 2: Convert to fraction form
    1,910.26/2,866.23 = 814.90/x
  3. Step 3: Cross multiply
    1,910.26x = 2,866.23 × 814.90
  4. Step 4: Simplify right side
    1,910.26x = 2,335,690.83
  5. Step 5: Solve for x
    x = 2,335,690.83/1,910.26
  6. Step 6: Final answer
    x = 1,222.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.